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Usimov [2.4K]
3 years ago
5

How can you tell if your arm is brocken?

Physics
2 answers:
Serjik [45]3 years ago
8 0
You will feel a sharp pain in your arm, you will not be able to move it without excrusheating pain, and your arm will swell up.

if you think your arm is broked then you should go and get it checked out by a doctor.
wlad13 [49]3 years ago
5 0
Well if you're experiencing severe pain obviously you can tell its broken
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A ball is rolled at a velocity of 25 m/sec. after 13.5 seconds, it comes to a stop . What is the acceleration of the ball?
nexus9112 [7]

Answer:

The answer to your question is a = -1.85 m/s² the acceleration is negative because it is coming to stop.

Explanation:

Data

vo = 25 m/s

t = 13.5 s

a= ?

vf = 0 m/s

Formula

vf = vo + at

solve for a

a = (vf - vo)/t

Substitution

a = (0 - 25) / 13.5

Simplification

a = -25/13.5

Result

a = -1.85 m/s²

8 0
3 years ago
What type of speed looks at a particular point in time?
bearhunter [10]
The answer is D because instantaneous means at a particular point in time
4 0
3 years ago
A student on an amusement park ride moves in circular path with a radius of 3.5 m once every 4.5 s. What is the tangential veloc
nata0808 [166]

Answer:

the tangential velocity of the student is 4.89 m/s.

Explanation:

Given;

the radius of the circular path, r = 3.5 m

duration of the motion, t = 4.5 s

let the student's tangential velocity = v

The tangential velocity of the student is calculated as follows;

v = \frac{2\pi r}{t} \\\\v = \frac{2 \pi \times 3.5}{4.5} \\\\v = 4.89 \ m/s

Therefore, the tangential velocity of the student is 4.89 m/s.

6 0
3 years ago
You are walking from your math class to your science class. You are carrying books
kolezko [41]

Answer:

1800J

Explanation:

Given parameters:

Weight of the book  = 20N

Total distance covered  = 45m + 15m + 30m  = 90m

Unknown:

Total work performed on the books  = ?

Solution:

To solve this problem we must understand that work done is the force applied to move a body through a certain distance.

So;

    Work done  = Force x distance

  Work done  = 20 x 90  = 1800J

8 0
3 years ago
HELP!!
Diano4ka-milaya [45]
The question in choice-C is the correct answer to your question.

(Is this confusing ?)
6 0
3 years ago
Read 2 more answers
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